Add Integration tests status link

Author: Thomas Leonard

README.md

@@ -2,14 +2,17 @@
 
 Federation support for ![Graphene Logo](http://graphene-python.org/favicon.png) [Graphene](http://graphene-python.org) following the [Federation specifications](https://www.apollographql.com/docs/apollo-server/federation/federation-spec/).
 
-[![Build Status][build-image]][build-url]
+[![Unit Tests Status][unit-tests-image]][unit-tests-url]
 [![Coverage Status][coveralls-image]][coveralls-url]
+[![Integration Tests Status][integration-tests-image]][integration-tests-url]
 
-[build-image]: https://github.com/loft-orbital/graphene-federation/workflows/Unit%20Tests/badge.svg?branch=loft-master
-[build-url]: https://github.com/loft-orbital/graphene-federation/actions
+[unit-tests-image]: https://github.com/loft-orbital/graphene-federation/workflows/Unit%20Tests/badge.svg?branch=loft-master
+[unit-tests-url]: https://github.com/loft-orbital/graphene-federation/actions?query=workflow%3A"Unit+Tests"
+query=workflow%3A"Integration+Tests"
 [coveralls-image]: https://coveralls.io/repos/github/loft-orbital/graphene-federation/badge.svg?branch=loft-master
 [coveralls-url]: https://coveralls.io/github/loft-orbital/graphene-federation?branch=loft-master
-
+[integration-tests-image]: https://github.com/loft-orbital/graphene-federation/workflows/Integration%20Tests/badge.svg?branch=loft-master
+[integration-tests-url]: https://github.com/loft-orbital/graphene-federation/actions?
 
 Based on discussion: https://github.com/graphql-python/graphene/issues/953#issuecomment-508481652